27821915

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{2621}}^1$

素因数の和:2830

約数の個数: 16

約数和(自身を含む): 36624096

約数和(自身を除く): 8802181

約数列:

[1, 5, 11, 55, 193, 965, 2123, 2621, 10615, 13105, 28831, 144155, 505853, 2529265, 5564383, 27821915]

約数ペア:

[(1, 27821915), (5, 5564383), (11, 2529265), (55, 505853), (193, 144155), (965, 28831), (2123, 13105), (2621, 10615)]